On Fri, 21 Apr 2023 06:50:59 -0700, Jakub Kicinski <kuba at kernel.org>
wrote:> On Fri, 21 Apr 2023 15:31:04 +0800 Xuan Zhuo wrote:
> > I am not particularly familiar with dma-bufs. I want to know if this
mechanism
> > can solve the problem of virtio-net.
> >
> > I saw this framework, allowing the driver do something inside the ops
of
> > dma-bufs.
> >
> > If so, is it possible to propose a new patch based on dma-bufs?
>
> I haven't looked in detail, maybe Olek has? AFAIU you'd need to
rework
> uAPI of XSK to allow user to pass in a dma-buf region rather than just
> a user VA.
This seems to be a big job. Can we first receive this patch.
Thanks.
> So it may be a larger effort but architecturally it may be
> the right solution.